Our subproject wrappers are used on platforms that do not have the
respective dependencies available. Most importantly, this can be used on
Windows to have an almost-dependency-free build of Git.
Update these wrappers via `meson wrap update`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>